“Weighting for more”: Enhancing characteristic-function based ICA with asymptotically optimal weighting

A. Slapak, A. Yeredor, Near-optimal weighting in characteristic-function based ICA, in: Proceedings of the EUSIPCO’2010, Aalborg, Denmark, August 2010. Cardoso, 1993, Blind beamforming for non-Gaussian signals, IEE Proc.-F, 140, 362 Belouchrani, 1997, A blind source separation technique using second-order statistics, IEEE Trans. Sig. Proc., 45, 434, 10.1109/78.554307 Taoufiki, 2007, Blind separation of any source distributions via high-order statistics, Signal Processing, 87, 1882, 10.1016/j.sigpro.2007.01.025 Yeredor, 2000, Blind source separation via the second characteristic function, Signal Processing, 80, 897, 10.1016/S0165-1684(00)00062-1 Yeredor, 2000, Blind separation of Gaussian sources via second-order statistics with asymptotically optimal weighting, IEEE Sig. Proc. Let., 7, 197, 10.1109/97.847367 Tichavský, 2009, Fast approximate joint diagonalization incorporating weight matrices, IEEE Trans. Sig. Proc., 57, 878, 10.1109/TSP.2008.2009271 P. Tichavsky, E. Doron, A. Yeredor, J. Nielsen, A computationally affordable implementation of an asymptotically optimal BSS algorithm for AR sources, in Proc. EUSIPCO’2006 Florence, Italy, September 2006. A. Smekhov, A. Yeredor, Optimization of JADE using a novel optimally weighted joint diagonalization approach, in: Proc. EUSIPCO’2004, Vienna, Austria, September 2004. A. Yeredor, MUSIC using off-origin hessians of the second characteristic function, in: Proc. SAM’2006, Boston, Massachusetts. July 2006, IEEE. A. Yeredor, Yule-Walker equations applied to hessians of the characteristic function for improved ar estimation, in: Proc. ICASSP2007, IEEE, Honolulu, Hawaii. April 2007. Eriksson, 2003, Characteristic-function based independent component analysis, Signal Processing, 83, 2195, 10.1016/S0165-1684(03)00162-2 Kawanabe, 2007, Joint low-rank approximation for extracting non-Gaussian subspaces, Signal Processing, 87, 1890, 10.1016/j.sigpro.2007.01.033 Theis, 2004, A new concept for separability problems in blind source separation, Neural Comput., 16, 1827, 10.1162/0899766041336404 Tichavský, 2006, Efficient variant of algorithm FastICA for independent component analysis attaining the Cramér-Rao lower bound, IEEE Trans. on Neural Networks, 17, 1265, 10.1109/TNN.2006.875991 Hyon-Jung, 2008, Compact Cramér-Rao bound expression for independent component analysis, IEEE Trans. on Sig. Proc., 56, 1421, 10.1109/TSP.2007.910484 Hyvärinen, 1997, A fast fixed-point algorithm for independent component analysis, Neural Comp., 9, 1483, 10.1162/neco.1997.9.7.1483 Z. Koldovský, P. Tichavský, The EFICA MATLAB code [online]. available: 〈http://itakura.kes.tul.cz/zbynek/downloads.htm〉, 2006.